PSYCH-190 Lecture Notes - Lecture 26: Fourth Ventricle, Subarachnoid Space, Dura Mater
16 Oct 2020
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Document Summary
Brain tissues walls of the tube (cns) The entire ventricle system originates from a continuous hollow tunnel whose walls get stretched out or squeezed during development. The adult ventricular system consists of the following system of connected. The entire ventricular system is filled with csf. Ventricles actually produce csf (production site/factory inside the ventricles. Your entire csf gets replaced basically everyday. There are two convenient holes in the back of the brain where the csf gets not in subarachnoid space) into the spinal cord and into the brain. The production and the flow of csf the fourth ventricle reabsorbed into the general blood circulation. Csf escapes into the subarachnoid space through 3 openings in the back of. Csf in the subarachnoid space does not return to the ventricle system and is. The entire volume of csf is renewed 3 times per day. A brain weighing 1500 g in air effectively weighs less than 50 g as it floats in.
